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Expired European patentEurope

Disinfecting and cleaning agent for flat surfaces

EP 0670674 B1 · Applicant: Sprügel, Friedrich

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Overview

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed September 29, 1994 and granted April 22, 1998. A European patent lasts at most 20 years from filing, so its term ended September 29, 2014.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by March 29, 2020.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledSeptember 29, 1994
PublishedSeptember 13, 1995
GrantedApril 22, 1998
Term endedSeptember 29, 2014
Application numberEP 94928283
Classification (CPC)C11D3/48 +2 more

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedSep 29, 1994PublishedSep 13, 1995Patent grantedApril 22, 1998Term endedSep 29, 2014

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.